wrenpp/src/main.cpp

#include "wrenpp/vm_fun.hpp"
#include "wrenpp/def_configuration.hpp"
#include <iostream>
#include <chrono>
#include <thread>

namespace {
	const constexpr char g_script[] = ""
R"(class Math {
	construct new() {}
	foreign add(a, b)

	static sum_params(a,b) {
		return a + b
	}
}
System.print("I am running in a VM!")
var myvar = Math.new()
var name = "some_test"
var number = 123
myvar.add(5, 6)
System.print("Script done")
)";

} //unnamed namespace

int main() {
	typedef wren::ModuleAndName MN;
	using wren::variables;

	std::cout << "hello world\n";
	wren::DefConfiguration config;
	wren::VM vm(&config);
	vm.interpret("my_module", g_script);
	std::this_thread::sleep_for(std::chrono::milliseconds(2000));

	auto vars = variables<std::string, int>(vm, MN{"my_module", "name"}, MN{"my_module","number"});
	std::cout << "name = \"" << std::get<0>(vars) << "\", number = " << std::get<1>(vars) << '\n';
	const int sum = wren::call<int>(vm, {"my_module", "Math"}, "sum_params", MN{"my_module", "number"}, 90);
	std::cout << "wren method returned " << sum << " (expected " << std::get<1>(vars) + 90 << ")\n";

	return 0;
}